What do we know about the effects of sports training on the menstrual cycle?
D000273:Adipose Tissue / Q000502:physiology; D000293:Adolescent; D001823:Body Composition; D003376:Counseling; D003469:Culture; D005260:Female; D005823:Genetics; D006266:Health Education; D006801:Humans; D008598:Menstruation; D010806:Physical Education and Training; D013177:Sports